1845826 has 12 divisors (see below), whose sum is σ = 2944242. Its totient is φ = 864896.

The previous prime is 1845791. The next prime is 1845827. The reversal of 1845826 is 6285481.

It can be written as a sum of positive squares in 3 ways, for example, as 1320201 + 525625 = 1149^2 + 725^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 1845791 and 1845800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1845827) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7806 + ... + 8038.

2^1845826 is an apocalyptic number.

1845826 is a deficient number, since it is larger than the sum of its proper divisors (1098416).

1845826 is an equidigital number, since it uses as much as digits as its factorization.

1845826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485 (or 252 counting only the distinct ones).

The product of its digits is 15360, while the sum is 34.

The square root of 1845826 is about 1358.6117914990. The cubic root of 1845826 is about 122.6677086527.

Multiplying 1845826 by its sum of digits (34), we get a square (62758084 = 7922²).

1845826 divided by its sum of digits (34) gives a square (54289 = 233²).

The spelling of 1845826 in words is "one million, eight hundred forty-five thousand, eight hundred twenty-six".